add ztoolkit_config to installable headers

inc/ztoolkit/meson.build

@@ -15,7 +15,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with ZToolkit.  If not, see <https://www.gnu.org/licenses/>.
 
-installable_headers = files([
+installable_headers += files([
   'ztk_app.h',
   'ztk_color.h',
   'ztk_knob.h',

inc/ztoolkit/rsvg.h

@@ -20,6 +20,10 @@
 #ifndef __ZTOOLKIT_RSVG_H__
 #define __ZTOOLKIT_RSVG_H__
 
+#include "ztoolkit_config.h"
+
+#ifdef HAVE_RSVG
+
 #include <cairo.h>
 
 typedef void ZtkRsvgHandle;
@@ -58,4 +62,6 @@ ztk_rsvg_draw (
   cairo_t *       cr,
   ZtkRect *       rect);
 
+#endif // if HAVE_RSVG
+
 #endif // header guard

inc/ztoolkit/ztk.h

@@ -20,16 +20,17 @@
 #ifndef __Z_TOOLKIT_ZTK_H__
 #define __Z_TOOLKIT_ZTK_H__
 
-#include "ztoolkit/log.h"
-#include "ztoolkit/types.h"
-#include "ztoolkit/rsvg.h"
-#include "ztoolkit/ztk_app.h"
-#include "ztoolkit/ztk_color.h"
-#include "ztoolkit/ztk_drawing_area.h"
-#include "ztoolkit/ztk_knob.h"
-#include "ztoolkit/ztk_knob_with_label.h"
-#include "ztoolkit/ztk_label.h"
-#include "ztoolkit/ztk_widget.h"
+#include "ztoolkit_config.h"
+#include "log.h"
+#include "types.h"
+#include "rsvg.h"
+#include "ztk_app.h"
+#include "ztk_color.h"
+#include "ztk_drawing_area.h"
+#include "ztk_knob.h"
+#include "ztk_knob_with_label.h"
+#include "ztk_label.h"
+#include "ztk_widget.h"
 
 #ifndef MAX
 # define MAX(x,y) (x > y ? x : y)

meson.build

@@ -79,6 +79,7 @@ config_h = configure_file (
   output: 'ztoolkit_config.h',
   configuration: cdata,
   )
+installable_headers = [ config_h ]
 
 # include dirs
 inc_dirs = [